def run_pipeline(pipeline, instance_id=None):
try:
api.get_model_inst()
raise InvalidOperationException('This pipeline already started.')
except:
pass
api.create_activity(modbpm_adapter.PipelineProcess, args=(pipeline, instance_id), identifier_code=pipeline.id)
def target_for_sequence_flow(self, flow_id):
flow_to_target = {
c.sequence_flow.id: c.sequence_flow.target
for c in self.conditions
}
if flow_id not in flow_to_target:
raise InvalidOperationException(
'sequence flow(%s) does not exist.' % flow_id)
return flow_to_target[flow_id]
def unique_one(self):
"""
获取唯一的一个 flow，若当前集合内 flow 不只一条则抛出异常
:return:
"""
if len(self.flows) != 1:
raise InvalidOperationException(
'this collection contains multiple flow, can not get unique one.'
)
return self.flows[0]
def modify_constants(self, constants):
if self.enabled:
raise InvalidOperationException(
'can not modify constants when task is enabled')
exec_data = self.execution_data
for key, value in constants.items():
if key in exec_data['constants']:
exec_data['constants'][key]['value'] = value
self.snapshot.data = exec_data
self.snapshot.save()
return exec_data['constants']
def recover_variable(self):
if self.raw_variables is None:
raise InvalidOperationException(
'make sure duplicate_variables() is called before do recover')
# collect all act output key
act_outputs_keys = set()
for global_outputs in self.act_outputs.values():
for output_key in global_outputs.values():
act_outputs_keys.add(output_key)
# recover to Variable for which key not in act output
for key, var in self.raw_variables.items():
if key not in act_outputs_keys:
self.variables[key] = deepcopy(var)
def modify_cron(self, cron, timezone=None):
if self.enabled:
raise InvalidOperationException(
'can not modify cron when task is enabled')
schedule, _ = CrontabSchedule.objects.get_or_create(
minute=cron.get('minute', '*'),
hour=cron.get('hour', '*'),
day_of_week=cron.get('day_of_week', '*'),
day_of_month=cron.get('day_of_month', '*'),
month_of_year=cron.get('month_of_year', '*'),
timezone=timezone or 'UTC')
# try to initiate schedule object
_ = schedule.schedule # noqa
self.cron = schedule.__str__()
self.celery_task.crontab = schedule
self.celery_task.save()
self.save()
def next(self):
raise InvalidOperationException('can not determine next node for parallel gateway.')
def skip(self):
raise InvalidOperationException('can not skip conditional converge gateway.')
def skip(self):
raise InvalidOperationException('can not skip conditional parallel gateway.')
